地图导航到目的地

点击 openMap() 即可  传经纬度  地名地址

openMap() {
				// 获取目的地经纬度
				let j = '113.953532';
				let w = '22.540024';
				let obj = this.bMapTransQQMap(Number(j), Number(w));
				let address = "高新园";
				let name ="高新园地铁站";
				uni.openLocation({
					longitude: obj.lng,
					latitude: obj.lat,
					name: address,
					address: name,
					success(res) {
						console.log(res)
					},
					fail(err) {
						console.log(err, 'err')
					}
				})
			},
			bMapTransQQMap(lng, lat) {
				let x_pi = 3.14159265358979324 * 3000.0 / 180.0;
				let x = lng - 0.0065;
				let y = lat - 0.006;
				let z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi);
				let theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi);
				let lngs = z * Math.cos(theta);
				let lats = z * Math.sin(theta);
			
				return {
					lng: lngs,
					lat: lats
				}
			},